M. Heydari-Malayeri - Paris Observatory

A naturally occurring physical entity or association that lies beyond the Earth's
atmosphere and can be studied observationally. In other words, a gravitationally bound
structure that is associated with a position in space,
but may consist of multiple independent astronomical objects.
A list of astronomical objects includes → planets,
→ asteroids, → comets,
→ stars, → nebulae,
galaxies (→ galaxy), → galaxy clusters,
→ pulsars, and → black holes. Note that
→ celestial body, → celestial object,
and → heavenly body are less technical terms for
these entities.